Food waste disposer

A food waste disposer comprising:

• a housing;
• a grinding device detachably mounted inside the housing to grind food waste;
• and
• a storage device disposed below the grinding device to store the ground food waste,
• wherein the grinding device comprises:
• a grinding case in which the food waste is ground, the grinding case having a discharge portion on a lower side of the grinding case, the discharge portion openable to transfer the food waste to the storage device;
• a valve assembly configured to open or close the discharge portion and to be separable to outside of the housing together with the grinding case;
• a first grinder rotatably mounted inside the grinding case, and having a first grinding blade;
• and
• a second grinder comprising:
• a second grinding blade to mutually grind the food waste with the first grinding blade of the first grinder;
• and
• a transfer blade below the first grinder and the second grinder to transfer the ground food waste by the first grinder and the second grinder to the discharge portion;
• wherein a height of a bottom surface of the grinding case on a side on which the first grinder is mounted is different from a height of the bottom surface of the grinding case on a side on which the second grinder is mounted.